{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Immune hemolytic anemia due to a drug - adsorption mechanism has been described primarily in patients receiving penicillins and first - generation cephalosporins ."}
{"Chemical": ["penicillins", "cephalosporins"], "Disease": ["hemolytic anemia"]}